A sightly more specific sort of InPainting where you are working with scaled up images where it is hard, or ineffective to generate on the whole image. Fairly advanced but I have tried to automate and annotate the workflow below so that anyone can use it. It won't work for small images! Your background needs to be 2048 pixels square or ideally twice that. The image in the Video is 3072 across. Workflow:
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